## NCERT Solutions for Class 7 Maths Chapter 5 – Lines and Angles

Maths is an easy subject but for some students its branch geometry is difficult. This is so because they lack the skills to understand it. The CBSE advise the use of NCERT books that contains all the study materials of the chapter. These NCERT Solutions for Class 7 Maths Chapter 5 designed by experts according to the latest syllabus of the CBSE board. Also, it covers every topic mentioned in the NCERT book. Above all, it has a solution to every question of the exercises mentioned in the chapter.

The NCERT Solutions for Class 7 Maths Chapter 5 intended by keeping in mind the ability of students who are going to use them.

These NCERT Solutions for Class 7 Maths Chapter 5 is prepared by our team of specialist. Also, these experts are in the field of education for years and have dedicated their lives to make simple guides that students can easily learn and realize.

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**CBSE Class 7 Maths Chapter 5 – Lines and Angles NCERT Solutions**

The line refers to a long band that connects with the help of minimum two dots. On the other hand, Angles refer to space (measured in degree) between to connected lines that intersect each other at a point.

**Sub-topics covered under NCERT Solutions for Class 7 Maths Chapter 5**

#### 5.1 Introduction

This topic deals with lines like what are lines and how to make them. Also, the topic covers line segment, line, and ray with the help of an example.

#### 5.2 Related Angles

Those angles which relate to each other in some way.

**5.2.1 Complementary Angles-** Those angles whose sum on measurement is 90o are complementary angles.

**5.2.2 Supplementary Angles-** Those angles whose sum on measurement is 180o.

**5.2.3 Adjacent Angles-** Those angles who have a common side but don’t overlap each other are adjacent angles.

**5.2.4 Linear Pair-** Those angles which form on the same base and make both supplementary, and adjacent angles are linear pair.

**5.2.5 Vertically Opposite Angles-** Those angles which form on the same base and are on the different side of each other are vertically opposite angles.

#### 5.3 Pairs of lines

Pairs of lines refer to those lines which intersect each other at an angle.

**5.3.1 Intersecting Lines-** Those two lines which meet other at a point are intersecting lines.

**5.3.2 Transversal-** Transversal is a line that intersects two or more lines at a point.

**5.3.3 Angles made by a Transversal-** The different angels made by a transversal while intersecting each line are complementary, supplementary, linear, and adjacent.

**5.3.4 Transversal of Parallel Lines-** The angles made on parallel lines by a transversal make corresponding angles and are equal in measure.

#### 5.4 Checking for Parallel lines

This topic deals with ways by which we can conclude whether the lines are parallel or not.

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